Method and device for controlling a flow of fluid
US5462075A · kind A · utility
Inventor
Key dates
| Filing date | Jun 3, 1994 |
| Grant date | Oct 31, 1995 |
| Priority date | — |
| Expiry date | Jun 3, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/88078
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The method relates to a method and a device for controlling the flow of a liquid. In a well (10) having at least one inlet (11) and one outlet (12) the areas of said inlet (11) is adjusted in dependence on the liquid level in said well (10) by a floating body (13) controlled by said level. Said well is provided with an inlet tube (15) ended by said inlet (11), and at least one outlet (12), a floating body (13) arranged movable in a vertical direction in said well (10), and a slide (14) arranged in said well (10) in front of said outlet (12), said inlet tube (15) and said slide (14) being movable in relation to each other in dependence of a movement of said floating body (13) so as to close adjustably by said slide said inlet (11) of said inlet tube (15).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.